Lachlan Murdoch, Executive Chair and Chief Executive Officer of Fox Corporation (Nasdaq: FOXA, FOX), today announced that Jeff Collins has been appointed President of Advertising Sales, Marketing and Brand Partnerships for Fox Corporation. He will succeed Marianne Gambelli, who retires after more than forty years as a leading ad sales executive in the media and entertainment space. Collins, who most recently served as Executive Vice President, Advertising Sales for FOX News Media, will now.